surgery's a big thing, and i just wanted to clear my mind. i just wanted to, you know, walk around, you know, just, um, get my mind off what's going on. >> as we were walking, i kept saying "are you okay? do you want to stop?" he's like "no, let's just keep going and see how far i make it." and as we were talking, before i knew it we were at the end, at the finish line, with the surgeons waiting at the finish line telling us, "all right, guys. it's time to go. we're ready. we need to go in." >> i think it was a great decision. it showed the perseverance that he has, and it showed his understanding that he was going to get better after a transplant, and that's what maria fareri children's hospital helped him achieve. >> organs are donated during tragic times. when a loved one is dying, a decision can be made that can save someone else -- someone like tyler. what would you say to the family that donated the liver that you got? >> uh, thank you, you know? you saved my life. um, you know, if it weren't for you, i might not be standing here right now.